NPPES file of Aug 9, 2026

Dieula John, MD, MBA

Endocrinology, Diabetes & Metabolism Physician · Apopka, FL

Dieula John, MD, MBA is an endocrinology, diabetes & metabolism physician with a practice address in Apopka, Florida, and NPI 1861954265, issued on Apr 3, 2019. Check the license (Florida ME230909, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861954265
Name
Dieula John
Credential
MD, MBA
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
ME230909 FL
Self-reported in NPPES; status is on the state search
Practice location
201 N Park Ave Ste 303, Apopka, FL 32703
Phone
(407) 329-4992
Enumerated
Apr 3, 2019
Record last updated
Jul 31, 2025
Medicare enrollment
Enrolled (PECOS I20240326001676); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 201 N Park Ave Ste 303

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lajada Claiborne, FNP-BCFamily Nurse Practitioner1881979854
  2. Jamie Williams, ARNP, FNP-CFamily Nurse Practitioner1972992931

Verify Dieula John in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME230909
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

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98% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

60 Medicare Part D claims for 37 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Dieula John60
  2. Specialty average2,630

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $253.36

6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dieula John$253.36
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Central Florida Inpatient Medicine LLCLake Mary, FL
  2. Florida Hospital Medical Group IncApopka, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dieula John among 656 endocrinology, diabetes & metabolism physician records in Florida

Dieula John, MD, MBA is one of 656 endocrinology, diabetes & metabolism physician records with a practice address in Florida. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.

  • NPI issued2019 · 93% of these records are older, 5% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2018 · median 2002 among the 462 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Florida

There are 656 endocrinology, diabetes & metabolism physician records in Florida.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Lee Metchick, MDDeland, FL 327241407851801
  2. Marvin Mengel, MDGeneva, FL 327321427028455
  3. Maha Ansara, MDLake Mary, FL 327461295754356
  4. Victor Roberts, M.D.Lake Mary, FL 327461891725206
  5. Franco Vallejo Garcia, MDLake Mary, FL 327461184031981
  6. Sohail Ali, M.D.Maitland, FL 327511235137167
  7. Penny Glickman, M.D.Maitland, FL 327511619975638
  8. Hilda Merino-Chavez, M.D.Maitland, FL 327511174064513

Common questions

What is Dieula John, MD, MBA's NPI number?

Dieula John, MD, MBA's National Provider Identifier (NPI) is 1861954265, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Dieula John, MD, MBA located?

The NPPES record lists a practice address at 201 N Park Ave Ste 303, Apopka, FL, 32703. Phone: (407) 329-4992. Providers update this record themselves, so call before visiting.

How can I verify Dieula John, MD, MBA's license?

NPPES lists Florida license number ME230909, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dieula John, MD, MBA prescribe under Medicare Part D?

In 2024, Dieula John, MD, MBA had 60 Medicare Part D claims for 37 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.